Home / 55,168.05-82,729.40-21,883.53

Finding the Fourth Proportional to 55,168.05, 82,729.40 and 21,883.53

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Solution

The fourth proportional to 55,168.05, 82,729.40 and 21,883.53 is: 32,816.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,168.05 : 82,729.40 = 21,883.53 : x
  2. Step 2: Convert to fraction form
    55,168.05/82,729.40 = 21,883.53/x
  3. Step 3: Cross multiply
    55,168.05x = 82,729.40 × 21,883.53
  4. Step 4: Simplify right side
    55,168.05x = 1,810,411,197.36
  5. Step 5: Solve for x
    x = 1,810,411,197.36/55,168.05
  6. Step 6: Final answer
    x = 32,816.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.